[PATCH] dt-bindings: arm-smmu: Add a new compatible string and a clock

[Sharat Masetty]

This patch adds a new compatible string for sc7180 and also an
additional clock listing needed to power the TBUs and the TCU.

Signed-off-by: Sharat Masetty <smasetty at codeaurora.org>
---
 Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 6515dbe..15946ac 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -28,6 +28,7 @@ properties:
           - enum:
               - qcom,msm8996-smmu-v2
               - qcom,msm8998-smmu-v2
+              - qcom,sc7180-smmu-v2
               - qcom,sdm845-smmu-v2
           - const: qcom,smmu-v2
 
@@ -113,16 +114,22 @@ properties:
       present in such cases.
 
   clock-names:
+    minItems: 2
+    maxItems: 3
     items:
       - const: bus
       - const: iface
+      - const: mem_iface_clk
 
   clocks:
+    minItems: 2
+    maxItems: 3
     items:
       - description: bus clock required for downstream bus access and for the
           smmu ptw
       - description: interface clock required to access smmu's registers
           through the TCU's programming interface.
+      - description: clock required for the SMMU TBUs and the TCU
 
   power-domains:
     maxItems: 1
-- 
1.9.1